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What is protected method access level with regard to accessing from another object

开发者 https://www.devze.com 2023-03-20 17:57 出处：网络

I\'m passing an object reference to a Util class. I\'m attempting to invoke a protected method on the Util class but I getting a compile time error - 开发者_运维百科

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I'm passing an object reference to a Util class. I'm attempting to invoke a protected method on the Util class but I getting a compile time error - 开发者_运维百科

The method setPositionChild(Field, int, int) from the type Manager is not visible

To invoke a protected method is it required to be in the implementing class only ? Can I not pass the reference to an external class and invoke the reference from there ?

Protected method can be accessed from subclasses. Make that method public if you want to access from any class. See details here

Also as mentioned by @Sean Patrick Floyd, from classes in the same package!